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|---|---|---|
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| 0000315032-16-000023-index.html | 2016-02-02 13:59:27 | |
| 0000315032-16-000023.txt | 2016-02-02 13:59:27 | |
| helmerich2016.txt | 20489 | 2016-02-02 13:59:27 |
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